Top 10 Rules for Overmolded Components 1. .Match the chemistry of the TPE to the substrate for optimized bonding 2. .For new component designs, flow ratios (L/T) should be between 80:1 – 120:1 3. .Incorporate air vents between 0.0005" and 0.001" along the perimeter and/or at the end of fill 4. .Incorporate good flow shutoffs to prevent flashing 5. .Add surface texture to prevent sticking and to mask aesthetic defects 6. .Use a rigid substrate for easy ejection from the mold 7. .Ensure the TPE layer is thick enough to ensure good bonding.

CHECK OUT THIS BEGINNERS GUIDE TO TPES https://www.avient.com/idea/video-advances-overmolding https://www.avient.com/products/thermoplastic-elastomers/tpe-knowledge-center/beginners-guide Pr od uc t P er fo rm an ce Market Pricing ($/lb.) lo w hi gh Engineering Elastomers Standard Elastomers fPVC EVA SBSPOE TPO OBC SEBS TPV TPU COPE COPA $ $$ $$$ $$$$ LSR** PRODUCT PERFORMANCE VS.

CREATING A WORLD-CLASS, SUSTAINABLE ORGANIZATION ANNUAL REPORT 2022 A V IE N T C O R P O R A T IO N A N N U A L R E P O R T 2022 Our Vision At Avient, we create specialized and sustainable material solutions that transform customer challenges into opportunities, bringing new products to life for a better world. Personal Values INTEG R IT Y R E SP ECT H O N E S T Y Core Values COLLABO R A T IO N E X C EL LE NCE INNOVATION OUR CULTURE 1 Annual Report | 2022 Dear Avient Shareholders, 2022 was a challenging year but also one filled with significant accomplishments that we look back on with a great sense of pride. Committees: 1, 2 A V IE N T C O R P O R A T IO N A N N U A L R E P O R T 2022 Challenge Accepted.

ANNUAL REPORT 2021 CREATING A WORLD-CLASS, SUSTAINABLE ORGANIZATION A V IE N T C O R P O R A T IO N A N N U A L R E P O R T 2021 CORPORATE OFFICERS ROBERT M. Personal Values INTEG R IT Y R E SP ECT H O N E S T Y Core Values COLLABO R A T IO N E X C EL LE NCE INNOVATION OUR CULTURE 1 Annual Report | 2021 2 0 2 1 Dear Avient Shareholders, 2021 was our first full year as Avient Corporation. AVIENT.COM A V IE N T C O R P O R A T IO N A N N U A L R E P O R T 2021

P O L Y O N E A N N U A L R E P O R T 2 0 15 OUR PEOPLE. A N N U A L R E P O R T 2 0 1 6P O L Y O N E A N N U A L R E P O R T 2 0 16 PolyOne Corporation, with 2016 revenues of $3.3 billion, is a premier provider of specialized polymer materials, services and solutions. Not pictured: Kim Ann Mink P O L Y O N E A N N U A L R E P O R T 2 0 15 POLYONE.COM ANNUAL REPORT 2016 P O L Y O N E A N N U A L R E P O R T 2 0 16 Annual Report Our Vision Letter to Shareholders FORM 10-K PART I ITEM 1.

• Form 1099-INT (interest earned or paid) • Form 1099-DIV (dividends, including those from stocks or mutual funds) • Form 1099-MISC (various types of income, prizes, awards, or gross proceeds) • Form 1099-B (stock or mutual fund sales and certain other transactions by brokers) • Form 1099-S (proceeds from real estate transactions) • Form 1099-K (merchant card and third party network transactions) • Form 1098 (home mortgage interest), 1098-E (student loan interest), 1098-T (tuition) • Form 1099-C (canceled debt) • Form 1099-A (acquisition or abandonment of secured property) Use Form W-9 only if you are a U.S. person (including a resident alien), to provide your correct TIN.

PolyOne Announces Promotion of Robert T.

482196_DCOV.pdf ANNUAL REPORT 2012 U N I Q U E S O LU T I O N S D I S T I N G U I S H E D P E R FO R M A N C E PO LYO N E A N N U A L REPO RT 20 12 ANNUAL REPORT 2012 PolyOne Corporation, with 2012 revenues of $3 billion, is a premier provider of specialized polymer materials, services and solutions. Í Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files). WULFSOHN Chief Executive Officer, Carpenter Technology Corporation Committee: 2 1 ANNUAL REPORT 2012 U N I Q U E S O LU T I O N S D I S T I N G U I S H E D P E R FO R M A N C E PO LYO N E A N N U A L REPO RT 20 12 ANNUAL REPORT 2012

Energy and Greenhouse Gas (GHG) Emissions (continued from previous page) Greenhouse Gas Emissions (MT Scope 1 &2) Intensity (MT Scope 1 & 2 GHG/MT sales) GHG Emissions � ������ ������� ������� ������� ������� .44 .28 .30 .50 .40 .30 .20 .10 0 .32 2019 2020 2021 2022 2023 .28 118 Resulting in 13,000 MWh Annual Savings Energy Saving Projects in 2023 G H G E m is si o n s (M T ) G H G E m is si o n s In te n si ty (M T G H G /M T s al e s) HOME | Contents | Message from the CEO | About Us | People | Products | Planet | Performance | Metrics | Index Sustainability Report | 2023 54 https://sciencebasedtargets.org/ https://www.avient.com/company/sustainability/sustainability-report/reporting/cdp-climate-change-report https://www.avient.com/company/sustainability/sustainability-report/reporting/cdp-climate-change-report https://www.cdp.net/en https://www.avient.com/company/sustainability/sustainability-report/reporting/cdp-climate-change-report Reducing Emissions Across Our Value Chain Scope 3 emissions include upstream emissions from products and services we procure from suppliers, as well as downstream emissions from the transportation of our products and the emissions generated from the use and disposal of our sold products.

Energy and Greenhouse Gas (GHG) Emissions (continued from previous page) Greenhouse Gas Emissions (MT Scope 1 &2) Intensity (MT Scope 1 & 2 GHG/MT sales) GHG Emissions � ������ ������� ������� ������� ������� .44 .28 .30 .50 .40 .30 .20 .10 0 .32 2019 2020 2021 2022 2023 .28 118 Resulting in 13,000 MWh Annual Savings Energy Saving Projects in 2023 G H G E m is si o n s (M T ) G H G E m is si o n s In te n si ty (M T G H G /M T s al e s) HOME | Contents | Message from the CEO | About Us | People | Products | Planet | Performance | Metrics | Index Sustainability Report | 2023 54 https://sciencebasedtargets.org/ https://www.avient.com/company/sustainability/sustainability-report/reporting/cdp-climate-change-report https://www.avient.com/company/sustainability/sustainability-report/reporting/cdp-climate-change-report https://www.cdp.net/en https://www.avient.com/company/sustainability/sustainability-report/reporting/cdp-climate-change-report Reducing Emissions Across Our Value Chain Scope 3 emissions include upstream emissions from products and services we procure from suppliers, as well as downstream emissions from the transportation of our products and the emissions generated from the use and disposal of our sold products.